Home / 809,299.55-1,214,307.45-424,958.00

Finding the Fourth Proportional to 809,299.55, 1,214,307.45 and 424,958.00

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Solution

The fourth proportional to 809,299.55, 1,214,307.45 and 424,958.00 is: 637,625.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    809,299.55 : 1,214,307.45 = 424,958.00 : x
  2. Step 2: Convert to fraction form
    809,299.55/1,214,307.45 = 424,958.00/x
  3. Step 3: Cross multiply
    809,299.55x = 1,214,307.45 × 424,958.00
  4. Step 4: Simplify right side
    809,299.55x = 516,029,659,265.56
  5. Step 5: Solve for x
    x = 516,029,659,265.56/809,299.55
  6. Step 6: Final answer
    x = 637,625.04

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.